Namesakes
Belgian Prime Ministers:
1 prime minister
Jules Malou (a.k.a. Xavier) 1874-1878; 1884 
Fictional Characters from Television:
1 character
Preston Burke (a.k.a. Xavier) 2005 Grey's Anatomy
Hall-of-Famers:
2 ice hockey
(ice hockey) Frank "Moose" Goheen (a.k.a. Xavier) 1952
(ice hockey) Frank Boucher (a.k.a. Xavier) 1958
Notable Actors and Entertainers:
4 actors, 1 presenter
Francis X. Bushman (a.k.a. Xavier) 1883-1966
Keenan Wynn (a.k.a. Xavier) 1916-1986
Regis Philbin (a.k.a. Xavier) 1931-2020
Paul Gleason (a.k.a. Xavier) 1939-2006
Xavier Dolan 1989-
Notable Athletes:
2 basketball, 1 driving, 1 handball, 1 ice hockey, 1 soccer
(ice hockey) Frank Boucher (a.k.a. Xavier) 1901-1977
(basketball) Stephon Marbury (a.k.a. Xavier) 1977-
(soccer) Xavi Hernández 1980-
(driving) Xavier Maassen 1980-
(handball) Xavier Barachet 1988-
(basketball) Xavi Rabaseda 1989-
Notable Filmmakers:
1 director
Xavier Dolan 1989-
Notable Musicians:
1 musician
Xavier Naidoo 1971-
Olympic Medalists:
2 bronze, 2 silver, 1 gold
(bronze) Paul Lizandier (a.k.a. Xavier) 1908 3 mile team
(silver) Frank "Moose" Goheen (a.k.a. Xavier) 1920 ice hockey
(silver) Frank Gorman (a.k.a. Xavier) 1964 diving - springboard
(bronze) Stephon Marbury (a.k.a. Xavier) 2004 basketball
(gold) Xavier Barachet 2012 handball
Other Leaders:
1 prime minister
Prime Minister Xavier Bettel 2013-2023 Luxembourg
Other Royalty:
1 prince
Carlos of Bourbon-Parma (a.k.a. Xavier) 1996- Netherlands
Saints:
3 saints, 2 blessed
Blessed François-Xavier of Montmorency-Laval 1623-1708
Blessed Francis Xavier Seelos 1819-1867
Saint Francis Xavier Can ?-1837
Saint Francis Xavier Mau ?-1838
Saint Frances Xavier Cabrini 1850-1917